Wood-base composite thickening plates and manufacture method thereof

Abstract

The invention relates to wood-base composite thickening plates and a manufacture method thereof. The wood-base composite thickening plates are composed of three organic high polymer materials of fast-growing wood accounting for 65-70% of the total weight of the plates, 18-20% of phenolic resin and 12-15% of bentonite. The thickness of the plates ranges from 40mm to 200mm, and the size of the breadth of the plates can be set according to requirements. The manufacture method achieves replacement of a method of drying a veneer and dipping glue with a method of finishing vacuum dehydration and glue dipping by one step, manual paving is replaced with mechanical paving to overcome unevenness of blank paving, a method of preheating to increase blank temperature to quicken heat conducting during plate lamination is used, limiting bottleneck of producing thickened plates is broken through, and continuous production of the thickened plates is achieved. The high-quality wood-base composite material for improving the conditions that natural wood resource is shortened for wooden product machining industries is provided, a production method for saving energy and reducing cost is provided for application of fast-growing wood, and the wood-base composite thickening plates are favorable for protecting natural forest resource and environment simultaneously.

Description

technical field [0001] The invention belongs to the field of artificial board manufacture, and relates to a recombined wood and a manufacturing method thereof, in particular to a wood-based composite thickened board and a manufacturing method thereof. Background technique [0002] At present, with the transformation of wood resources from natural forests to artificial fast-growing forests, the development of the wood product processing industry is restricted by the shortage of natural hard wood. The method of wood reorganization is used to change the hardness and dimensional stability of fast-growing wood to replace natural wood. Hard wood is a problem that needs to be solved in the wood-based panel industry. I have two patents: ZL 2007 1 0058564.0 The manufacturing method of high-strength anti-corrosion glulam and ZL 20101 0191829.6 Simultaneous heating and pressing of steam and high-frequency dual heat sources to modify hard wood The process methods have been implemented, ...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the above disadvantages, to provide a wood-based composite thickened board composed of fast-growing wood, phenolic resin, and bentonite, which is composed of three organic polymer materials, has high hardness and does not deform, and realizes vacuum dehydration and dipping once. The completed method replaces the method of dipping wood veneer after drying, replaces manual paving with mechanical paving to overcome the defect of uneven paving of the billet, and uses preheating to increase the temperature of the billet to speed up the heat conduction speed when the board is pressed. The restrictive bottleneck in the production of thicker plates, the use of higher lateral pressure and positive pressure together increases the density of the edge of the plate, reduces the amount of sawing at the edge of the plate, and uses heat treatment to eliminate the internal stress generated when the plate is pressed, further Improve the dimensional stability and corrosion resistance of the plate, and innovate a manufacturing method that can continuously produce thicker plates